MAX20303

Files at this revision

API Documentation at this revision

Comitter:
Emre.Eken
Date:
Wed Apr 25 09:52:48 2018 +0300
Parent:
0:ff4818eff240
Commit message:
The contents of the .cpp and .h files were changed

Changed in this revision

MAX20303.cpp Show annotated file Show diff for this revision Revisions of this file
MAX20303.h Show annotated file Show diff for this revision Revisions of this file
diff -r ff4818eff240 -r 0333f77c665f MAX20303.cpp
--- a/MAX20303.cpp	Fri Jan 19 15:47:44 2018 -0800
+++ b/MAX20303.cpp	Wed Apr 25 09:52:48 2018 +0300
@@ -1,160 +1,287 @@
-/*******************************************************************************
- * Copyright (C) 2018 Maxim Integrated Products, Inc., All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
- * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of Maxim Integrated
- * Products, Inc. shall not be used except as stated in the Maxim Integrated
- * Products, Inc. Branding Policy.
- *
- * The mere transfer of this software does not imply any licenses
- * of trade secrets, proprietary technology, copyrights, patents,
- * trademarks, maskwork rights, or any other form of intellectual
- * property whatsoever. Maxim Integrated Products, Inc. retains all
- * ownership rights.
- *******************************************************************************
- */
-
-
-#include "MAX20303.h"
-#include "Peripherals.h"
-
-
-//******************************************************************************
-MAX20303::MAX20303(I2C *i2c):
-	m_i2c(i2c), m_writeAddress(MAX20303_SLAVE_WR_ADDR),
-	m_readAddress(MAX20303_SLAVE_RD_ADDR)
-{
-}
-
-
-//******************************************************************************
-MAX20303::~MAX20303(void)
-{
-  //empty block
-}
-
-
-//******************************************************************************
-int MAX20303::LDO1Config()
-{
-	int32_t ret = 0;
-	uint8_t val;
-	ret |= writeReg(MAX20303::REG_AP_CMDOUT, 0x40);
-	ret |= writeReg(MAX20303::REG_AP_DATOUT0, 0x05);
-	ret |= writeReg(MAX20303::REG_AP_DATOUT1, 0x34);
-
-	readReg(MAX20303::REG_AP_CMDOUT, val);
-	readReg(MAX20303::REG_AP_DATOUT0, val);
-	readReg(MAX20303::REG_AP_DATOUT1, val);
-
-	return ret;
-}
-
-//******************************************************************************
-int MAX20303::writeReg(registers_t reg, uint8_t value)
-{
-	int32_t ret;
-
-	char cmdData[2] = {reg, value};
-
-	ret = m_i2c->write(m_writeAddress, cmdData, sizeof(cmdData));
-	//printf("MAX20303 write reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret)
-
-	if (ret != 0)
-		return MAX20303_ERROR;
-
-	return MAX20303_NO_ERROR;
-}
-
-
-//******************************************************************************
-int MAX20303::readReg(registers_t reg, uint8_t &value)
-{
-	int32_t ret;
-
-	char data = reg;
-
-	ret = m_i2c->write(m_writeAddress, &data, sizeof(data));
-	if (ret != 0) {
-		printf("%s - failed - ret: %d\n", __func__);
-		return MAX20303_ERROR;
-	}
-
-	ret = m_i2c->read(m_readAddress, &data, sizeof(data));
-	if (ret != 0) {
-		printf("%s - failed - ret: %d\n", __func__);
-		return MAX20303_ERROR;
-	}
-
-	value = data;
-	printf("MAX20303 read reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret);
-	return MAX20303_NO_ERROR;
-}
-
-
-//******************************************************************************
-int MAX20303::mv2bits(int mV)
-{
-    int regBits;
-
-    if (( MAX20303_LDO_MIN_MV <= mV) && (mV <= MAX20303_LDO_MAX_MV)) {
-        regBits = (mV -  MAX20303_LDO_MIN_MV) /  MAX20303_LDO_STEP_MV;
-    } else {
-        return -1;
-    }
-
-    return regBits;
-}
-
-int MAX20303::led0on(void) {
-
-	writeReg(REG_LED0_DIRECT, 0x21);
-
-	return MAX20303_NO_ERROR;
-}
-
-int MAX20303::BoostEnable(void) {
-
-	writeReg(REG_AP_CMDOUT, 0x30);
-	writeReg(REG_AP_DATOUT3, 0x00);	// 00 : 5V
-	writeReg(REG_AP_DATOUT0, 0x01);	// Boost Enabled
-
-	return MAX20303_NO_ERROR;
-}
-
-int MAX20303::BuckBoostEnable(void)
-{
-	int ret = 0;
-
-	ret |= writeReg( REG_AP_DATOUT0,  0x00);    // Reserved = 0x00
-	ret |= writeReg( REG_AP_DATOUT1,  0x04);    // BBstlSet = 0b'100   Buck Boost Peak current Limit = 200mA
-	ret |= writeReg( REG_AP_DATOUT2,  0x19);    // BBstVSet = 0b'11001  Buck Boost Output Voltage = 5V
-	ret |= writeReg( REG_AP_DATOUT3,  0x01);    // BBstRipRed = 1 Ripple Reduction
-	// BBstAct    = 1 Actively discharged in Hard-Reset or Enable Low
-	// BBstPas    = 1 Passively discharged in Hard-Reset or Enable Low
-	// BBstMd     = 1 Damping Enabled
-	// BBstInd    = 0  Inductance is 4.7uH
-	// BBstEn     = 0b'01 Enabled
-	ret |= writeReg( REG_AP_CMDOUT, 0x70);
-	if (ret != 0)
-		return MAX20303_ERROR;
-
-	return MAX20303_NO_ERROR;
-}
+/*******************************************************************************
+ * Copyright (C) 2018 Maxim Integrated Products, Inc., All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Maxim Integrated
+ * Products, Inc. shall not be used except as stated in the Maxim Integrated
+ * Products, Inc. Branding Policy.
+ *
+ * The mere transfer of this software does not imply any licenses
+ * of trade secrets, proprietary technology, copyrights, patents,
+ * trademarks, maskwork rights, or any other form of intellectual
+ * property whatsoever. Maxim Integrated Products, Inc. retains all
+ * ownership rights.
+ *******************************************************************************
+ */
+
+
+#include "MAX20303.h"
+
+
+//******************************************************************************
+MAX20303::MAX20303(I2C *i2c):
+	m_i2c(i2c), m_writeAddress(MAX20303_SLAVE_WR_ADDR),
+	m_readAddress(MAX20303_SLAVE_RD_ADDR)
+{
+}
+
+
+//******************************************************************************
+MAX20303::~MAX20303(void)
+{
+  //empty block
+}
+
+
+//******************************************************************************
+int MAX20303::LDO1Config()
+{
+	int32_t ret = 0;
+	uint8_t val;
+	appcmdoutvalue_ = 0x40;
+	appdatainoutbuffer_[0] = 0x05;
+	appdatainoutbuffer_[1] = 0x34;
+	AppWrite(2);
+
+	return ret;
+}
+
+//******************************************************************************
+int MAX20303::writeReg(registers_t reg, uint8_t value)
+{
+	int32_t ret;
+
+	char cmdData[2] = {reg, value};
+
+	ret = m_i2c->write(m_writeAddress, cmdData, sizeof(cmdData));
+
+	if (ret != 0)
+		return MAX20303_ERROR;
+
+	return MAX20303_NO_ERROR;
+}
+
+
+//******************************************************************************
+int MAX20303::readReg(registers_t reg, uint8_t &value)
+{
+	int32_t ret;
+
+	char data = reg;
+
+	ret = m_i2c->write(m_writeAddress, &data, sizeof(data));
+	if (ret != 0) {
+		printf("%s - failed - ret: %d\n", __func__);
+		return MAX20303_ERROR;
+	}
+
+	ret = m_i2c->read(m_readAddress, &data, sizeof(data));
+	if (ret != 0) {
+		printf("%s - failed - ret: %d\n", __func__);
+		return MAX20303_ERROR;
+	}
+
+	value = data;
+	printf("MAX20303 read reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret);
+	return MAX20303_NO_ERROR;
+}
+
+//******************************************************************************
+int MAX20303::readRegMulti(registers_t reg, uint8_t *value, uint8_t len){
+	int32_t ret;
+	char data = reg;
+
+	ret = m_i2c->write(m_writeAddress, &data, sizeof(data));
+	if (ret != 0) {
+		printf("%s - failed - ret: %d\n", __func__);
+		return MAX20303_ERROR;
+	}
+
+	ret = m_i2c->read(m_readAddress, (char *)value, len);
+	if (ret != 0) {
+		printf("%s - failed - ret: %d\n", __func__);
+		return MAX20303_ERROR;
+	}
+
+	printf("MAX20303 read reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret);
+	return MAX20303_NO_ERROR;
+}
+
+//******************************************************************************
+int MAX20303::writeRegMulti(registers_t reg, uint8_t *value, uint8_t len){
+	int32_t ret;
+	i2cbuffer_[0] = reg;
+	memcpy(&i2cbuffer_[1], value, len);
+
+	ret = m_i2c->write(m_writeAddress, (char *)i2cbuffer_, (len+1));
+
+	if (ret != 0)
+		return MAX20303_ERROR;
+
+	return MAX20303_NO_ERROR;
+}
+//******************************************************************************
+int MAX20303::mv2bits(int mV)
+{
+    int regBits;
+
+    if (( MAX20303_LDO_MIN_MV <= mV) && (mV <= MAX20303_LDO_MAX_MV)) {
+        regBits = (mV -  MAX20303_LDO_MIN_MV) /  MAX20303_LDO_STEP_MV;
+    } else {
+        return -1;
+    }
+
+    return regBits;
+}
+//******************************************************************************
+int MAX20303::PowerOffthePMIC(){
+	int ret;
+	appdatainoutbuffer_[0] = 0xB2;
+	appcmdoutvalue_ = 0x80;
+	ret = AppWrite(1);
+
+	if(appcmdoutvalue_ != 0x80){
+		ret |= MAX20303_ERROR;
+	}
+
+	return ret;
+}
+//******************************************************************************
+int MAX20303::SoftResetthePMIC(){
+	int ret;
+	appdatainoutbuffer_[0] = 0xB3;
+	appcmdoutvalue_ = 0x81;
+	ret = AppWrite(1);
+
+	if(appcmdoutvalue_ != 0x81){
+		ret |= MAX20303_ERROR;
+	}
+
+	return ret;
+}
+//******************************************************************************
+int MAX20303::HardResetthePMIC(){
+	int ret;
+	appdatainoutbuffer_[0] = 0xB4;
+	appcmdoutvalue_ = 0x82;
+	ret = AppWrite(1);
+
+	if(appcmdoutvalue_ != 0x82){
+		ret |= MAX20303_ERROR;
+	}
+
+	return ret;
+}
+
+//******************************************************************************
+int MAX20303::AppWrite(uint8_t dataoutlen){
+	int ret;
+
+	ret = writeRegMulti(MAX20303::REG_AP_DATOUT0, appdatainoutbuffer_, dataoutlen);
+	ret |= writeReg(MAX20303::REG_AP_CMDOUT, appcmdoutvalue_);
+	wait_ms(10);
+	ret |= readReg(MAX20303::REG_AP_RESPONSE, appcmdoutvalue_);
+
+	if(ret != 0)
+		return MAX20303_ERROR;
+
+	return MAX20303_NO_ERROR;
+}
+
+
+//******************************************************************************
+int MAX20303::AppRead(uint8_t datainlen){
+	int ret;
+
+	ret = writeReg(MAX20303::REG_AP_CMDOUT, appcmdoutvalue_);
+	wait_ms(10);
+	ret |= readRegMulti(MAX20303::REG_AP_RESPONSE, i2cbuffer_, datainlen);
+	if(ret != 0)
+		return MAX20303_ERROR;
+
+	return MAX20303_NO_ERROR;
+}
+
+//******************************************************************************
+char MAX20303::CheckPMICHWID(){
+	int ret;
+	uint8_t value = 0x00;
+
+	ret = readReg(MAX20303::REG_HARDWARE_ID, value);
+	if(ret != MAX20303_NO_ERROR)
+		return false;
+
+	if(value == 0x02)
+		return true;
+	else
+		return false;
+}
+
+//******************************************************************************
+int MAX20303::led0on(char enable) {
+
+	if(enable)
+		return writeReg(REG_LED0_DIRECT, 0x21);
+	else
+		return writeReg(REG_LED0_DIRECT, 0x01);
+}
+
+//******************************************************************************
+int MAX20303::led1on(char enable) {
+	if(enable)
+		return writeReg(REG_LED1_DIRECT, 0x21);
+	else
+		return writeReg(REG_LED1_DIRECT, 0x01);
+}
+
+//******************************************************************************
+int MAX20303::led2on(char enable) {
+	if(enable)
+		return writeReg(REG_LED2_DIRECT, 0x21);
+	else
+		return writeReg(REG_LED2_DIRECT, 0x01);
+}
+
+
+//******************************************************************************
+int MAX20303::BoostEnable(void) {
+
+	writeReg(REG_AP_CMDOUT, 0x30);
+	writeReg(REG_AP_DATOUT3, 0x00);	// 00 : 5V
+	writeReg(REG_AP_DATOUT0, 0x01);	// Boost Enabled
+
+	return MAX20303_NO_ERROR;
+}
+
+//******************************************************************************
+int MAX20303::BuckBoostEnable(void)
+{
+	int ret = 0;
+
+	ret |= writeReg( REG_AP_DATOUT0,  0x00);    // Reserved = 0x00
+	ret |= writeReg( REG_AP_DATOUT1,  0x04);    // BBstlSet = 0b'100   Buck Boost Peak current Limit = 200mA
+	ret |= writeReg( REG_AP_DATOUT2,  0x19);    // BBstVSet = 0b'11001  Buck Boost Output Voltage = 5V
+	ret |= writeReg( REG_AP_DATOUT3,  0x01);    // BBstRipRed = 1 Ripple Reduction
+	ret |= writeReg( REG_AP_CMDOUT, 0x70);
+	if (ret != 0)
+		return MAX20303_ERROR;
+
+	return MAX20303_NO_ERROR;
+}
diff -r ff4818eff240 -r 0333f77c665f MAX20303.h
--- a/MAX20303.h	Fri Jan 19 15:47:44 2018 -0800
+++ b/MAX20303.h	Wed Apr 25 09:52:48 2018 +0300
@@ -1,163 +1,182 @@
-/*******************************************************************************
- * Copyright (C) 2018 Maxim Integrated Products, Inc., All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
- * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of Maxim Integrated
- * Products, Inc. shall not be used except as stated in the Maxim Integrated
- * Products, Inc. Branding Policy.
- *
- * The mere transfer of this software does not imply any licenses
- * of trade secrets, proprietary technology, copyrights, patents,
- * trademarks, maskwork rights, or any other form of intellectual
- * property whatsoever. Maxim Integrated Products, Inc. retains all
- * ownership rights.
- *******************************************************************************
- */
-#ifndef __MAX20303_H_
-#define __MAX20303_H_
-
-#include "mbed.h"
-
-#define MAX20303_SLAVE_ADDR		(0x50 >> 1)
-#define MAX20303_SLAVE_WR_ADDR		((MAX20303_SLAVE_ADDR << 1))
-#define MAX20303_SLAVE_RD_ADDR		((MAX20303_SLAVE_ADDR << 1) | 1)
-
-
-#define MAX20303_NO_ERROR   0
-#define MAX20303_ERROR      -1
-
-#define MAX20303_I2C_ADDR_FUEL_GAUGE	0x6c
-
-#define MAX20303_LDO_MIN_MV 800
-#define MAX20303_LDO_MAX_MV 3600
-#define MAX20303_LDO_STEP_MV 100
-
-#define MAX20303_OFF_COMMAND 0xB2
-
-class MAX20303
-{
-
-public:
-	/**
-	* @brief  Constructor using reference to I2C object
-	* @param i2c - Reference to I2C object
-	* @param slaveAddress - 7-bit I2C address
-	*/
-	MAX20303(I2C *i2c);
-
-	/** @brief Destructor */
-	~MAX20303(void);
-
-	int led0on(void);
-	int BoostEnable(void);
-	int BuckBoostEnable(void);
-
-	/** @brief Enable the 1.8V output rail **/
-	int LDO1Config(void);
-	int mv2bits(int mV);
-
-private:
-	/**
-	 * @brief   Register Addresses
-	 * @details Enumerated MAX20303 register addresses
-	 */
-	enum registers_t {
-		REG_HARDWARE_ID		= 0x00,		///< HardwareID Register
-		REG_FIRMWARE_REV	= 0x01,		///< FirmwareID Register
-		//					= 0x02,		///<
-		REG_INT0			= 0x03,		///< Int0 Register
-		REG_INT1			= 0x04,		///< Int1 Register
-		REG_INT2			= 0x05,		///< Int2 Register
-		REG_STATUS0			= 0x06,		///< Status Register 0
-		REG_STATUS1			= 0x07,		///< Status Register 1
-		REG_STATUS2			= 0x08,		///< Status Register 2
-		REG_STATUS3			= 0x09,		///< Status Register 2
-		//					= 0x0A,		///<
-		REG_SYSTEM_ERROR	= 0x0B,		///< SystemError Register
-		REG_INT_MASK0		= 0x0C,		///< IntMask0 Register
-		REG_INT_MASK1		= 0x0D,		///< IntMask1 Register
-		REG_INT_MASK2		= 0x0E,		///< IntMask1 Register
-		REG_AP_DATOUT0		= 0x0F,     ///< APDataOut0 Register
-		REG_AP_DATOUT1		= 0x10,     ///< APDataOut1 Register
-		REG_AP_DATOUT2		= 0x11,     ///< APDataOut2 Register
-		REG_AP_DATOUT3		= 0x12,     ///< APDataOut3 Register
-		REG_AP_DATOUT4		= 0x13,     ///< APDataOut4 Register
-		REG_AP_DATOUT5		= 0x14,     ///< APDataOut5 Register
-		REG_AP_DATOUT6		= 0x15,     ///< APDataOut6 Register
-		REG_AP_CMDOUT		= 0x17,     ///< APCmdOut Register
-		REG_AP_RESPONSE		= 0x18,     ///< APResponse Register
-		REG_AP_DATAIN0		= 0x19,
-		REG_AP_DATAIN1		= 0x1A,
-		REG_AP_DATAIN2		= 0x1B,
-		REG_AP_DATAIN3		= 0x1C,
-		REG_AP_DATAIN4		= 0x1D,
-		REG_AP_DATAIN5		= 0x1E,
-		//					= 0x1F,		///<
-		REG_LDO_DIRECT		= 0x20,
-		REG_MPC_DIRECTWRITE	= 0x21,
-		REG_MPC_DIRECTRED	= 0x22,
-
-		REG_LED_STEP_DIRECT	= 0x2C,
-		REG_LED0_DIRECT		= 0x2D,
-		REG_LED1_DIRECT		= 0x2E,
-		REG_LED2_DIRECT		= 0x2F,
-
-
-		REG_LDO1_CONFIG_WRITE = 0x40,
-		REG_LDO1_CONFIG_READ  = 0x41,
-		REG_LDO2_CONFIG_WRITE = 0x42,
-		REG_LDO2_CONFIG_READ  = 0x43
-
-		/*
-		REG_CHG_TMR = 0x0C,   ///< Charger Timers
-		REG_BUCK1_CFG = 0x0D,   ///< Buck 1 Configuration
-		REG_BUCK1_VSET = 0x0E,   ///< Buck 1 Voltage Setting
-		REG_BUCK2_CFG = 0x0F,   ///< Buck 2 Configuration
-		REG_BUCK2_VSET = 0x10,   ///< Buck 2 Voltage Setting
-		REG_RSVD_11 = 0x11,   ///< Reserved 0x11
-		REG_LDO1_CFG = 0x12,   ///< LDO 1 Configuration
-		REG_LDO1_VSET = 0x13,   ///< LDO 1 Voltage Setting
-		REG_LDO2_CFG = 0x14,   ///< LDO 2 Configuration
-		REG_LDO2_VSET = 0x15,   ///< LDO 2 Voltage Setting
-		REG_LDO3_CFG = 0x16,   ///< LDO 3 Configuration
-		REG_LDO3_VSET = 0x17,   ///< LDO 3 Voltage Setting
-		REG_THRM_CFG = 0x18,   ///< Thermistor Configuration
-		REG_MON_CFG = 0x19,   ///< Monitor Multiplexer Configuration
-		REG_BOOT_CFG = 0x1A,   ///< Boot Configuration
-		REG_PIN_STATUS = 0x1B,   ///< Pin Status
-		REG_BUCK_EXTRA = 0x1C,   ///< Additional Buck Settings
-		REG_PWR_CFG = 0x1D,   ///< Power Configuration
-		REG_NULL = 0x1E,   ///< Reserved 0x1E
-		REG_PWR_OFF = 0x1F,   ///< Power Off Register
-		*/
-	};
-
-
-	int writeReg(registers_t reg, uint8_t value);
-	int readReg(registers_t reg, uint8_t &value);
-
-	/// I2C object
-	I2C  *m_i2c;
-
-	/// Device slave addresses
-	uint8_t m_writeAddress, m_readAddress;
-};
-
-#endif /* __MAX20303_H_ */
+/*******************************************************************************
+ * Copyright (C) 2018 Maxim Integrated Products, Inc., All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Maxim Integrated
+ * Products, Inc. shall not be used except as stated in the Maxim Integrated
+ * Products, Inc. Branding Policy.
+ *
+ * The mere transfer of this software does not imply any licenses
+ * of trade secrets, proprietary technology, copyrights, patents,
+ * trademarks, maskwork rights, or any other form of intellectual
+ * property whatsoever. Maxim Integrated Products, Inc. retains all
+ * ownership rights.
+ *******************************************************************************
+ */
+#ifndef __MAX20303_H_
+#define __MAX20303_H_
+
+#include "mbed.h"
+
+#define MAX20303_SLAVE_ADDR		(0x50 >> 1)
+#define MAX20303_SLAVE_WR_ADDR		((MAX20303_SLAVE_ADDR << 1))
+#define MAX20303_SLAVE_RD_ADDR		((MAX20303_SLAVE_ADDR << 1) | 1)
+
+
+#define MAX20303_NO_ERROR   0
+#define MAX20303_ERROR      -1
+
+#define MAX20303_I2C_ADDR_FUEL_GAUGE	0x6c
+
+#define MAX20303_LDO_MIN_MV 800
+#define MAX20303_LDO_MAX_MV 3600
+#define MAX20303_LDO_STEP_MV 100
+
+#define MAX20303_OFF_COMMAND 0xB2
+
+class MAX20303
+{
+
+public:
+	/**
+	 * @brief   Register Addresses
+	 * @details Enumerated MAX20303 register addresses
+	 */
+	enum registers_t {
+		REG_HARDWARE_ID		= 0x00,		///< HardwareID Register
+		REG_FIRMWARE_REV	= 0x01,		///< FirmwareID Register
+		//					= 0x02,		///<
+		REG_INT0			= 0x03,		///< Int0 Register
+		REG_INT1			= 0x04,		///< Int1 Register
+		REG_INT2			= 0x05,		///< Int2 Register
+		REG_STATUS0			= 0x06,		///< Status Register 0
+		REG_STATUS1			= 0x07,		///< Status Register 1
+		REG_STATUS2			= 0x08,		///< Status Register 2
+		REG_STATUS3			= 0x09,		///< Status Register 2
+		//					= 0x0A,		///<
+		REG_SYSTEM_ERROR	= 0x0B,		///< SystemError Register
+		REG_INT_MASK0		= 0x0C,		///< IntMask0 Register
+		REG_INT_MASK1		= 0x0D,		///< IntMask1 Register
+		REG_INT_MASK2		= 0x0E,		///< IntMask1 Register
+		REG_AP_DATOUT0		= 0x0F,     ///< APDataOut0 Register
+		REG_AP_DATOUT1		= 0x10,     ///< APDataOut1 Register
+		REG_AP_DATOUT2		= 0x11,     ///< APDataOut2 Register
+		REG_AP_DATOUT3		= 0x12,     ///< APDataOut3 Register
+		REG_AP_DATOUT4		= 0x13,     ///< APDataOut4 Register
+		REG_AP_DATOUT5		= 0x14,     ///< APDataOut5 Register
+		REG_AP_DATOUT6		= 0x15,     ///< APDataOut6 Register
+		REG_AP_CMDOUT		= 0x17,     ///< APCmdOut Register
+		REG_AP_RESPONSE		= 0x18,     ///< APResponse Register
+		REG_AP_DATAIN0		= 0x19,
+		REG_AP_DATAIN1		= 0x1A,
+		REG_AP_DATAIN2		= 0x1B,
+		REG_AP_DATAIN3		= 0x1C,
+		REG_AP_DATAIN4		= 0x1D,
+		REG_AP_DATAIN5		= 0x1E,
+		//					= 0x1F,		///<
+		REG_LDO_DIRECT		= 0x20,
+		REG_MPC_DIRECTWRITE	= 0x21,
+		REG_MPC_DIRECTRED	= 0x22,
+
+		REG_LED_STEP_DIRECT	= 0x2C,
+		REG_LED0_DIRECT		= 0x2D,
+		REG_LED1_DIRECT		= 0x2E,
+		REG_LED2_DIRECT		= 0x2F,
+
+
+		REG_LDO1_CONFIG_WRITE = 0x40,
+		REG_LDO1_CONFIG_READ  = 0x41,
+		REG_LDO2_CONFIG_WRITE = 0x42,
+		REG_LDO2_CONFIG_READ  = 0x43
+	};
+
+	/**
+	* @brief  Constructor using reference to I2C object
+	* @param i2c - Reference to I2C object
+	* @param slaveAddress - 7-bit I2C address
+	*/
+	MAX20303(I2C *i2c);
+
+	/** @brief Destructor */
+	~MAX20303(void);
+
+	int led0on(char enable);
+	int led1on(char enable);
+	int led2on(char enable);
+	int BoostEnable(void);
+	int BuckBoostEnable(void);
+
+	/// @brief Enable the 1.8V output rail **/
+	int LDO1Config(void);
+	int mv2bits(int mV);
+
+	/** @brief Power Off the board
+	 */
+	int PowerOffthePMIC();
+
+	/** @brief Soft reset the PMIC
+	 */
+	int SoftResetthePMIC();
+
+	/** @brief Hard reset the PMIC
+	 */
+	int HardResetthePMIC();
+
+	/** @brief check if can communicate with max20303
+	*/
+	char CheckPMICHWID();
+
+private:
+
+	int writeReg(registers_t reg, uint8_t value);
+	int readReg(registers_t reg, uint8_t &value);
+
+	int writeRegMulti(registers_t reg, uint8_t *value, uint8_t len);
+	int readRegMulti(registers_t reg, uint8_t *value, uint8_t len);
+
+	/// I2C object
+	I2C  *m_i2c;
+
+	/// Device slave addresses
+	uint8_t m_writeAddress, m_readAddress;
+
+	// Application Processor Interface Related Variables
+	uint8_t i2cbuffer_[16];
+	uint8_t appdatainoutbuffer_[8];
+	uint8_t appcmdoutvalue_;
+
+
+	/** @brief API Related Functions ***/
+
+	/***
+	 *  @brief  starts writing from ApResponse register 0x0F
+	 *  check the datasheet to determine the value of dataoutlen
+	 */
+	int AppWrite(uint8_t dataoutlen);
+
+	/** @brief starts reading from ApResponse register 0x18
+	 *  check the datasheet to determine the value of datainlen
+	 *  the result values are written into i2cbuffer
+	 *
+	*/
+	int AppRead(uint8_t datainlen);
+};
+
+#endif /* __MAX20303_H_ */